以双曲线
的右焦点为圆心,并与其渐近线相切的圆的标准方程是_________ .
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571473155260416/1571473160953856/STEM/54b9b255505f4d8393a06bb0b7c2a83c.png?resizew=76)
11-12高二上·广东揭阳·阶段练习 查看更多[2]
更新时间:2019-01-30 18:14:09
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适中
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【推荐1】已知点
,其中一点在圆
内,一点在圆
上,一点在圆
外,则圆
的方程可能是______ .(答案不唯一,写出一个正确答案即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e233ceea60ff98a6c6a71b93191272c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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【推荐2】过点
与点
且半径最小的圆的标准方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08fbfb853cf334a48de10a20e44a2b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169608da01e094f71d29bde0926f27a8.png)
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【推荐1】圆
上两点
、
关于直线
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8271c24c1bdcdfe7416685aacc3f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8bedee395cb3e87841b8d78fa26dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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解题方法
【推荐2】已知双曲线
:
的右焦点为F,P为
右支上一点,
与 x 轴切于点 F 与 y 轴交于点 A,B,
,则
的离心率为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b15b82151bff7cc0238d2034a6129f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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【推荐1】若双曲线
的一条渐近线
与直线
平行,则直线
,
间的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a308b980f486306256e425a1a1018b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804267a3dc760926b063fae195301f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276509f01529d982ab21e479a4619268.png)
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【推荐2】设双曲线
的离心率为
,其渐近线与圆
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695c0ed508055adf127afd3594a55df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce9089df4732879ab1f80b698a0f40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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